I can't start making music

Whenever I am trying to lock in and start making music, I can't pick samples and instruments normally, and when I do, I just can't think of any melody and frustrated, I leave the Fl studio without anything achieved. I know the very basics, but I feel stuck making music. I feel like I need a companion, but none of my friends aren't interested in making music. How can I progress further? I need your help.